Ventilating appliance.



PATBNTED JULY 25, 1905. B. JOHNSON. VBNTILATING APPLIANGB..

APPLICATION FILED 8EPT.6| 1904.

2 SHEETS-SHEET l.

avi lneas ttouwwd/ PATENTED JULY 25, 1905.

B. JOHNSON. YENTILATING APPLIANGE.

APPLICATION FILED SEPT.6, 1904- 2 SHEETS--SHEBT/Z.

